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<a href="#define-members">Macros</a> &#124;
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  <div class="headertitle"><div class="title">irq.h File Reference</div></div>
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<div class="textblock"><code>#include &quot;<a class="el" href="pico_8h_source.html">pico.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="address__mapped_8h_source.html">hardware/address_mapped.h</a>&quot;</code><br />
<code>#include &quot;hardware/regs/intctrl.h&quot;</code><br />
<code>#include &quot;pico/platform/cpu_regs.h&quot;</code><br />
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Include dependency graph for irq.h:</div>
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<p><a href="irq_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:afcfe7753c83a84ede150f1e882cc6908"><td class="memItemLeft" align="right" valign="top"><a id="afcfe7753c83a84ede150f1e882cc6908" name="afcfe7753c83a84ede150f1e882cc6908"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>PICO_MAX_SHARED_IRQ_HANDLERS</b>&#160;&#160;&#160;4</td></tr>
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#define&#160;</td><td class="memItemRight" valign="bottom"><b>PICO_DISABLE_SHARED_IRQ_HANDLERS</b>&#160;&#160;&#160;0</td></tr>
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<tr class="memitem:a043f6dbb21df0b2e73dad19c502b41f1"><td class="memItemLeft" align="right" valign="top"><a id="a043f6dbb21df0b2e73dad19c502b41f1" name="a043f6dbb21df0b2e73dad19c502b41f1"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>PARAM_ASSERTIONS_ENABLED_HARDWARE_IRQ</b>&#160;&#160;&#160;0</td></tr>
<tr class="separator:a043f6dbb21df0b2e73dad19c502b41f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:ga8478ee26cc144e947ccd75b0169059a6"><td class="memItemLeft" align="right" valign="top">typedef void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga8478ee26cc144e947ccd75b0169059a6">irq_handler_t</a>) (void)</td></tr>
<tr class="memdesc:ga8478ee26cc144e947ccd75b0169059a6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Interrupt handler function type.  <a href="group__hardware__irq.html#ga8478ee26cc144e947ccd75b0169059a6">More...</a><br /></td></tr>
<tr class="separator:ga8478ee26cc144e947ccd75b0169059a6"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a75b79c2b92ef7ca2ddef5a85223c6f28"><td class="memItemLeft" align="right" valign="top"><a id="a75b79c2b92ef7ca2ddef5a85223c6f28" name="a75b79c2b92ef7ca2ddef5a85223c6f28"></a>
static void&#160;</td><td class="memItemRight" valign="bottom"><b>check_irq_param</b> (__unused uint num)</td></tr>
<tr class="separator:a75b79c2b92ef7ca2ddef5a85223c6f28"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gad11ea172f11d9763647ac34b366ab3c2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gad11ea172f11d9763647ac34b366ab3c2">irq_set_priority</a> (uint num, uint8_t hardware_priority)</td></tr>
<tr class="memdesc:gad11ea172f11d9763647ac34b366ab3c2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set specified interrupt's priority.  <a href="group__hardware__irq.html#gad11ea172f11d9763647ac34b366ab3c2">More...</a><br /></td></tr>
<tr class="separator:gad11ea172f11d9763647ac34b366ab3c2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga6bcde7d99ca71abe8dccfd13b4d80b29"><td class="memItemLeft" align="right" valign="top">uint&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga6bcde7d99ca71abe8dccfd13b4d80b29">irq_get_priority</a> (uint num)</td></tr>
<tr class="memdesc:ga6bcde7d99ca71abe8dccfd13b4d80b29"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get specified interrupt's priority.  <a href="group__hardware__irq.html#ga6bcde7d99ca71abe8dccfd13b4d80b29">More...</a><br /></td></tr>
<tr class="separator:ga6bcde7d99ca71abe8dccfd13b4d80b29"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7c7167f643c6898b758340ce59d333d9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga7c7167f643c6898b758340ce59d333d9">irq_set_enabled</a> (uint num, bool enabled)</td></tr>
<tr class="memdesc:ga7c7167f643c6898b758340ce59d333d9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enable or disable a specific interrupt on the executing core.  <a href="group__hardware__irq.html#ga7c7167f643c6898b758340ce59d333d9">More...</a><br /></td></tr>
<tr class="separator:ga7c7167f643c6898b758340ce59d333d9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0c54ae4c0593c2a8596b99cd167584e0"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga0c54ae4c0593c2a8596b99cd167584e0">irq_is_enabled</a> (uint num)</td></tr>
<tr class="memdesc:ga0c54ae4c0593c2a8596b99cd167584e0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Determine if a specific interrupt is enabled on the executing core.  <a href="group__hardware__irq.html#ga0c54ae4c0593c2a8596b99cd167584e0">More...</a><br /></td></tr>
<tr class="separator:ga0c54ae4c0593c2a8596b99cd167584e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae91340b84a6d70049933af657df93201"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gae91340b84a6d70049933af657df93201">irq_set_mask_enabled</a> (uint32_t mask, bool enabled)</td></tr>
<tr class="memdesc:gae91340b84a6d70049933af657df93201"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enable/disable multiple interrupts on the executing core.  <a href="group__hardware__irq.html#gae91340b84a6d70049933af657df93201">More...</a><br /></td></tr>
<tr class="separator:gae91340b84a6d70049933af657df93201"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae1a927e62e780b2f7dacc3a008ffaf20"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gae1a927e62e780b2f7dacc3a008ffaf20">irq_set_mask_n_enabled</a> (uint n, uint32_t mask, bool enabled)</td></tr>
<tr class="memdesc:gae1a927e62e780b2f7dacc3a008ffaf20"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enable/disable multiple interrupts on the executing core.  <a href="group__hardware__irq.html#gae1a927e62e780b2f7dacc3a008ffaf20">More...</a><br /></td></tr>
<tr class="separator:gae1a927e62e780b2f7dacc3a008ffaf20"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gafffd448ba2d2eef5b355b88180aefe7f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gafffd448ba2d2eef5b355b88180aefe7f">irq_set_exclusive_handler</a> (uint num, <a class="el" href="group__hardware__irq.html#ga8478ee26cc144e947ccd75b0169059a6">irq_handler_t</a> handler)</td></tr>
<tr class="memdesc:gafffd448ba2d2eef5b355b88180aefe7f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set an exclusive interrupt handler for an interrupt on the executing core.  <a href="group__hardware__irq.html#gafffd448ba2d2eef5b355b88180aefe7f">More...</a><br /></td></tr>
<tr class="separator:gafffd448ba2d2eef5b355b88180aefe7f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga42e9cdce7b82ef63c7b2416d32a42361"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__hardware__irq.html#ga8478ee26cc144e947ccd75b0169059a6">irq_handler_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga42e9cdce7b82ef63c7b2416d32a42361">irq_get_exclusive_handler</a> (uint num)</td></tr>
<tr class="memdesc:ga42e9cdce7b82ef63c7b2416d32a42361"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the exclusive interrupt handler for an interrupt on the executing core.  <a href="group__hardware__irq.html#ga42e9cdce7b82ef63c7b2416d32a42361">More...</a><br /></td></tr>
<tr class="separator:ga42e9cdce7b82ef63c7b2416d32a42361"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf02f8599896c66f4579c845a96b2126e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gaf02f8599896c66f4579c845a96b2126e">irq_add_shared_handler</a> (uint num, <a class="el" href="group__hardware__irq.html#ga8478ee26cc144e947ccd75b0169059a6">irq_handler_t</a> handler, uint8_t order_priority)</td></tr>
<tr class="memdesc:gaf02f8599896c66f4579c845a96b2126e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Add a shared interrupt handler for an interrupt on the executing core.  <a href="group__hardware__irq.html#gaf02f8599896c66f4579c845a96b2126e">More...</a><br /></td></tr>
<tr class="separator:gaf02f8599896c66f4579c845a96b2126e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gadfd3308952d41ee91671ae098b867a90"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gadfd3308952d41ee91671ae098b867a90">irq_remove_handler</a> (uint num, <a class="el" href="group__hardware__irq.html#ga8478ee26cc144e947ccd75b0169059a6">irq_handler_t</a> handler)</td></tr>
<tr class="memdesc:gadfd3308952d41ee91671ae098b867a90"><td class="mdescLeft">&#160;</td><td class="mdescRight">Remove a specific interrupt handler for the given irq number on the executing core.  <a href="group__hardware__irq.html#gadfd3308952d41ee91671ae098b867a90">More...</a><br /></td></tr>
<tr class="separator:gadfd3308952d41ee91671ae098b867a90"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae552cab9da1b37a785791f678090f418"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gae552cab9da1b37a785791f678090f418">irq_has_shared_handler</a> (uint num)</td></tr>
<tr class="memdesc:gae552cab9da1b37a785791f678090f418"><td class="mdescLeft">&#160;</td><td class="mdescRight">Determine if the current handler for the given number is shared.  <a href="group__hardware__irq.html#gae552cab9da1b37a785791f678090f418">More...</a><br /></td></tr>
<tr class="separator:gae552cab9da1b37a785791f678090f418"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga4f9772d9d1781c3a28371623886a0310"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__hardware__irq.html#ga8478ee26cc144e947ccd75b0169059a6">irq_handler_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga4f9772d9d1781c3a28371623886a0310">irq_get_vtable_handler</a> (uint num)</td></tr>
<tr class="memdesc:ga4f9772d9d1781c3a28371623886a0310"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the current IRQ handler for the specified IRQ from the currently installed hardware vector table (VTOR) of the execution core.  <a href="group__hardware__irq.html#ga4f9772d9d1781c3a28371623886a0310">More...</a><br /></td></tr>
<tr class="separator:ga4f9772d9d1781c3a28371623886a0310"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga14fa98b8bec09df3e7409a75cf2f5359"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga14fa98b8bec09df3e7409a75cf2f5359">irq_clear</a> (uint int_num)</td></tr>
<tr class="memdesc:ga14fa98b8bec09df3e7409a75cf2f5359"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clear a specific interrupt on the executing core.  <a href="group__hardware__irq.html#ga14fa98b8bec09df3e7409a75cf2f5359">More...</a><br /></td></tr>
<tr class="separator:ga14fa98b8bec09df3e7409a75cf2f5359"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga36e4b97d3414ce58c3091e63badcf9ce"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga36e4b97d3414ce58c3091e63badcf9ce">irq_set_pending</a> (uint num)</td></tr>
<tr class="memdesc:ga36e4b97d3414ce58c3091e63badcf9ce"><td class="mdescLeft">&#160;</td><td class="mdescRight">Force an interrupt to be pending on the executing core.  <a href="group__hardware__irq.html#ga36e4b97d3414ce58c3091e63badcf9ce">More...</a><br /></td></tr>
<tr class="separator:ga36e4b97d3414ce58c3091e63badcf9ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6b1e04e66cf95ecf11a58beda886255d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="irq_8h.html#a6b1e04e66cf95ecf11a58beda886255d">runtime_init_per_core_irq_priorities</a> (void)</td></tr>
<tr class="memdesc:a6b1e04e66cf95ecf11a58beda886255d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Perform IRQ priority initialization for the current core.  <a href="irq_8h.html#a6b1e04e66cf95ecf11a58beda886255d">More...</a><br /></td></tr>
<tr class="separator:a6b1e04e66cf95ecf11a58beda886255d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2d45be6f140c28348cf98c31c561422f"><td class="memItemLeft" align="right" valign="top"><a id="a2d45be6f140c28348cf98c31c561422f" name="a2d45be6f140c28348cf98c31c561422f"></a>
static <a class="el" href="group__pico__platform.html#ga23eadd8d1642fb8fe4600708c36e116a">__force_inline</a> void&#160;</td><td class="memItemRight" valign="bottom"><b>irq_init_priorities</b> (void)</td></tr>
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<tr class="memitem:gaa52ec9e5f572b3a0ef50707ab37233ef"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gaa52ec9e5f572b3a0ef50707ab37233ef">user_irq_claim</a> (uint irq_num)</td></tr>
<tr class="memdesc:gaa52ec9e5f572b3a0ef50707ab37233ef"><td class="mdescLeft">&#160;</td><td class="mdescRight">Claim ownership of a user IRQ on the calling core.  <a href="group__hardware__irq.html#gaa52ec9e5f572b3a0ef50707ab37233ef">More...</a><br /></td></tr>
<tr class="separator:gaa52ec9e5f572b3a0ef50707ab37233ef"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga14c041e05fbd5ee3c0b6b6341073a20a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#ga14c041e05fbd5ee3c0b6b6341073a20a">user_irq_unclaim</a> (uint irq_num)</td></tr>
<tr class="memdesc:ga14c041e05fbd5ee3c0b6b6341073a20a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Mark a user IRQ as no longer used on the calling core.  <a href="group__hardware__irq.html#ga14c041e05fbd5ee3c0b6b6341073a20a">More...</a><br /></td></tr>
<tr class="separator:ga14c041e05fbd5ee3c0b6b6341073a20a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gace889ebb0bde6fc678dee915d4e3537e"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__hardware__irq.html#gace889ebb0bde6fc678dee915d4e3537e">user_irq_claim_unused</a> (bool required)</td></tr>
<tr class="memdesc:gace889ebb0bde6fc678dee915d4e3537e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Claim ownership of a free user IRQ on the calling core.  <a href="group__hardware__irq.html#gace889ebb0bde6fc678dee915d4e3537e">More...</a><br /></td></tr>
<tr class="separator:gace889ebb0bde6fc678dee915d4e3537e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab908ddbef6c60743c46817c44b0e6008"><td class="memItemLeft" align="right" valign="top"><a id="ab908ddbef6c60743c46817c44b0e6008" name="ab908ddbef6c60743c46817c44b0e6008"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><b>user_irq_is_claimed</b> (uint irq_num)</td></tr>
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<tr class="memitem:a885faaaaca76aba8551cec66e34a14dc"><td class="memItemLeft" align="right" valign="top"><a id="a885faaaaca76aba8551cec66e34a14dc" name="a885faaaaca76aba8551cec66e34a14dc"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>__unhandled_user_irq</b> (void)</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="a6b1e04e66cf95ecf11a58beda886255d" name="a6b1e04e66cf95ecf11a58beda886255d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6b1e04e66cf95ecf11a58beda886255d">&#9670;&nbsp;</a></span>runtime_init_per_core_irq_priorities()</h2>

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          <td class="memname">void runtime_init_per_core_irq_priorities </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
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<p>Perform IRQ priority initialization for the current core. </p>
<dl class="section note"><dt>Note</dt><dd>This is an internal method and user should generally not call it. </dd></dl>

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